def __call__(self, screen: Screen, buttons) -> None:
if self.button.value is None or screen.screen_number is None:
return
# TODO: can the concatenated number have a dot or a sign?
# If the screen number contains a sign or a dot, yield error
if not screen.screen_number.value.is_integer():
screen.set_error()
else:
# Concatenate number on the right
new_screen_repr = (ScreenNumber.str(screen.screen_number.value) +
ScreenNumber.str(self.button.value))
screen.update_str(new_screen_repr)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
if not screen.screen_number.value.is_integer():
# Yield error if the number is not whole
screen.set_error()
return
elif screen.screen_number.value >= 0:
screen_repr = ScreenNumber.str(screen.screen_number.value)
# Reverse screen number
new_screen_repr = screen_repr[::-1]
else:
screen_repr = ScreenNumber.str(screen.screen_number.value)
# Reverse without taking the sign, but keep it
new_screen_repr = '-' + screen_repr[:0:-1]
screen.update_str(new_screen_repr)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
# TODO: what happens with dot?
screen_repr = ScreenNumber.str(screen.screen_number.value)
new_screen_repr = ''.join([ (str(10 - int(d)) if d.isdigit() and int(d) > 0 else d) for d in screen_repr ])
screen.update_str(new_screen_repr)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
if not screen.screen_number.value.is_integer():
# Yield error if the number is not whole
screen.set_error()
else:
# Compute sum of digits and keep sign
screen_repr = ScreenNumber.str(screen.screen_number.value)
sign = 1 if screen.screen_number.value >= 0 else -1
digits = screen_repr if sign == 1 else screen_repr[1:]
digit_sum: int = sum(map(int, digits))
screen.update_float(float(sign * digit_sum))
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
if not screen.screen_number.value.is_integer():
screen.set_error()
else:
screen_repr = ScreenNumber.str(screen.screen_number.value)
if screen_repr.startswith('-') and len(screen_repr) < 3:
new_screen_repr = '0'
elif len(screen_repr) < 2:
new_screen_repr = '0'
else:
new_screen_repr = screen_repr[:-1]
screen.update_str(new_screen_repr)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
# TODO: what happens with dot
if not screen.screen_number.value.is_integer():
# Yield error if the number is not whole
screen.set_error()
else:
# Keep sign in front
screen_repr = ScreenNumber.str(screen.screen_number.value)
sign = 1 if screen.screen_number.value >= 0 else -1
digits = screen_repr if sign == 1 else screen_repr[1:]
shifted = ('' if sign == 1 else '-') + digits[-1] + digits[:-1]
screen.update_str(shifted)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
# ERROR if the number is not whole
# If the number has a minus sign, do not concatenate the sign
screen_repr = ScreenNumber.str(screen.screen_number.value)
# Reverse and concatenate
new_screen_repr = screen_repr + screen_repr[::-1]
# If the number was negative, a trailing - was added, remove it
if screen.screen_number.value < 0:
new_screen_repr = new_screen_repr[:-1]
# If the number had a dot originally, it will be duplicated
# thereby creating an invalid float repr. which will be caught
# by Screen.update()
screen.update_str(new_screen_repr)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
# TODO: make sure it follows the game's behaviour
# For now, use str.replace on the screen's str representation
# After it replaces one substring, continues on the *modified* result
screen_repr: str = ScreenNumber.str(screen.screen_number)
src_repr: str = self.button.value1
dst_repr: str = self.button.value2
# Yield error if screen number is not whole
if not screen.screen_number.value.is_integer():
screen.set_error()
else:
new_screen_repr = screen_repr.replace(src_repr, dst_repr)
screen.update_str(new_screen_repr)
def __call__(self, screen: Screen, buttons) -> None:
if screen.screen_number is None:
return
# Load value into button
self.button.value = ScreenNumber.str(screen.screen_number.value)